package API.DAY5.io;

import java.io.*;

//使用缓冲流
public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("1.png");
        BufferedInputStream bis = new BufferedInputStream(fis);
        FileOutputStream fos = new FileOutputStream("1_copy_3.png");
        BufferedOutputStream bos = new BufferedOutputStream(fos);

        int d ;
        long start = System.currentTimeMillis();

        while ((d=bis.read())!=-1){
            bos.write(d);
        }

        long end = System.currentTimeMillis();
        System.out.println("耗时:"+(end-start)+"ms");
        bis.close();
        bos.close();
    }
}
